Mineral, Jewelry

Browse mineral, jewelry specimens identified by the Rock Identifier community.

Amber Inlay Jewelry

Fossilized Resin (C10H16O)

Organic Gemstone (Biogenic)

Polymer Clay (Mock Mineral)

Polyvinyl chloride (PVC) with plasticizers and pigment

Synthetic material (Not a natural rock/mineral)

Silver (Jewelry Specimen)

Native Silver (Ag)

Mineral (Native Element)

Turquoise

Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O

mineral

Cubic Zirconia (CZ) Jewelry

Zirconium dioxide (ZrO2)

mineral (synthetic)

Bronzite

Enstatite (var. Bronzite), (Mg,Fe)SiO3

mineral

Turquoise in Matrix

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)

mineral

Quartz (Milky/Smoky variety)

Silicon Dioxide (SiO2)

mineral

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar

mineral

Amethyst (as seen in jewelry)

Amethyst (Silicon Dioxide SiO2 + Fe4+)

mineral

Diamond (in jewelry setting)

Diamond (C - Carbon)

mineral

Black Obsidian

Obsidian (Volcanic Glass)

igneous

Red Jasper

Jasper (Silicate mineral - SiO2)

sedimentary

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

mineral

Black Onyx

Black Chalcedony (SiO2)

mineral

Moonstone

Orthoclase Feldspar (formula: (K,Na)AlSi3O8)

mineral

Rough Emerald

Emerald (Beryl), Be3Al2(SiO3)6

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Dendritic Quartz

Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions

mineral

Lapis Lazuli (Raw)

Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S

metamorphic

Beads (likely glass or man-made material)

N/A (artificial material)

Man-made material, not a natural rock or mineral specimen

Green Fluorite

Calcium Fluoride (CaF2)

mineral

Gemstone Sand (Mineral Assortment)

Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)

mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

mineral

Druzy Chalcedony/Quartz on Fluorite core

Silicon Dioxide (SiO2) on Calcium Fluoride (CaF2)

mineral

Chalcedony (Botryoidal Agate vein)

Chalcedony (Microcrystalline Quartz) - SiO2

mineral

Native Gold (in Jewelry form)

Gold (Au)

Mineral

Native Gold (in the form of jewelry)

Gold (Au)

mineral

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides

mineral

Citrine

Silicon Dioxide (SiO2)

mineral

Turquenite (Dyed Howlite)

Dyed Ca2B5SiO9(OH)5 (Calcium Borosilicate Hydroxide)

mineral

Lapis Lazuli

Sodalite-rich metamorphic rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

metamorphic

Garnet (likely Pyrope or Almandine)

Garnet Group (complex nesosilicate minerals, e.g., Pyrope Mg3Al2(SiO4)3, Almandine Fe3Al2(SiO4)3, Spessartine Mn3Al2(SiO4)3, Grossular Ca3Al2(SiO4)3, Andradite Ca3Fe2(SiO4)3, Uvarovite Ca3Cr2(SiO4)3). The vivid red color in the image strongly suggests Pyrope or Almandine.

Mineral